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Finding the Fourth Proportional to 616,089.60, 924,071.76 and 417,684.96

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Solution

The fourth proportional to 616,089.60, 924,071.76 and 417,684.96 is: 626,484.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,089.60 : 924,071.76 = 417,684.96 : x
  2. Step 2: Convert to fraction form
    616,089.60/924,071.76 = 417,684.96/x
  3. Step 3: Cross multiply
    616,089.60x = 924,071.76 × 417,684.96
  4. Step 4: Simplify right side
    616,089.60x = 385,970,876,112.73
  5. Step 5: Solve for x
    x = 385,970,876,112.73/616,089.60
  6. Step 6: Final answer
    x = 626,484.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.